package Basics;

public class 方法 {
    public static void main(String[] args) {
        say();
        System.out.println(getSum(10,20));
    }
    public static void say(){
        System.out.println("c");
    }
    public static int getSum(int num1,int num2){
        int sum=num1+num2;
        return sum;
    }

}
